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Klaviyo vs Customer.io

An independent, side-by-side comparison of two Marketing Automation providers — scores, pricing, company-size fit, and strengths — to help you pick the right one.

Klaviyo vs Customer.io at a glance

Editorial sub-scores are RankedVendors estimates.

KlaviyoCustomer.io
Overall score89/10088/100
TierEliteElite
Capability (editorial)9187
Ease of use (editorial)9084
Value (editorial)8785
Best forSmall business, Mid-market, EnterpriseSmall business, Mid-market, Enterprise
Pricing modelQuote-basedQuote-based
Headquarters
Founded

Verdict

Klaviyo is the higher-ranked of the two on RankedVendors (89/100 vs 88/100), but both are credible Marketing Automation options. Klaviyo fits small business, mid-market, enterprise; Customer.io fits small business, mid-market, enterprise. Match the shortlist to your size and must-have features, and trial before committing.

Where each one stands out

Klaviyo

Klaviyo automates multi-channel campaigns and lead nurturing.

Best for: Small business, Mid-market, Enterprise

Read Klaviyo review

Customer.io

Customer.io automates multi-channel campaigns and lead nurturing.

Best for: Small business, Mid-market, Enterprise

Read Customer.io review

Klaviyo vs Customer.io — FAQ

Is Klaviyo better than Customer.io?

On RankedVendors, Klaviyo scores 89/100 versus Customer.io's 88/100, so Klaviyo ranks higher overall in Marketing Automation. The right choice still depends on your size, budget, and must-have features — see the breakdown above.

What is the difference between Klaviyo and Customer.io?

Klaviyo automates multi-channel campaigns and lead nurturing. Customer.io automates multi-channel campaigns and lead nurturing. Both compete in Marketing Automation; compare their strengths and best-fit company sizes above.

Which is better value, Klaviyo or Customer.io?

Our editorial value scores put Klaviyo at 87/100 and Customer.io at 85/100. Klaviyo is Quote-based; Customer.io is Quote-based. Request quotes from both to compare against your scale.